400128960

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5413}}^1$

素因数の和:5451

約数の個数: 224

約数和(自身を含む): 1584179712

約数和(自身を除く): 1184050752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 560, 616, 660, 672, 704, 770, 840, 880, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1540, 1680, 1760, 1848, 2112, 2240, 2310, 2464, 2640, 3080, 3360, 3520, 3696, 4620, 4928, 5280, 5413, 6160, 6720, 7392, 9240, 10560, 10826, 12320, 14784, 16239, 18480, 21652, 24640, 27065, 32478, 36960, 37891, 43304, 54130, 59543, 64956, 73920, 75782, 81195, 86608, 108260, 113673, 119086, 129912, 151564, 162390, 173216, 178629, 189455, 216520, 227346, 238172, 259824, 297715, 303128, 324780, 346432, 357258, 378910, 416801, 433040, 454692, 476344, 519648, 568365, 595430, 606256, 649560, 714516, 757820, 833602, 866080, 893145, 909384, 952688, 1039296, 1136730, 1190860, 1212512, 1250403, 1299120, 1429032, 1515640, 1667204, 1732160, 1786290, 1818768, 1905376, 2084005, 2273460, 2381720, 2425024, 2500806, 2598240, 2858064, 3031280, 3334408, 3572580, 3637536, 3810752, 4168010, 4546920, 4763440, 5001612, 5196480, 5716128, 6062560, 6252015, 6668816, 7145160, 7275072, 8336020, 9093840, 9526880, 10003224, 11432256, 12125120, 12504030, 13337632, 14290320, 16672040, 18187680, 19053760, 20006448, 25008060, 26675264, 28580640, 33344080, 36375360, 40012896, 50016120, 57161280, 66688160, 80025792, 100032240, 133376320, 200064480, 400128960]

約数ペア:

[(1, 400128960), (2, 200064480), (3, 133376320), (4, 100032240), (5, 80025792), (6, 66688160), (7, 57161280), (8, 50016120), (10, 40012896), (11, 36375360), (12, 33344080), (14, 28580640), (15, 26675264), (16, 25008060), (20, 20006448), (21, 19053760), (22, 18187680), (24, 16672040), (28, 14290320), (30, 13337632), (32, 12504030), (33, 12125120), (35, 11432256), (40, 10003224), (42, 9526880), (44, 9093840), (48, 8336020), (55, 7275072), (56, 7145160), (60, 6668816), (64, 6252015), (66, 6062560), (70, 5716128), (77, 5196480), (80, 5001612), (84, 4763440), (88, 4546920), (96, 4168010), (105, 3810752), (110, 3637536), (112, 3572580), (120, 3334408), (132, 3031280), (140, 2858064), (154, 2598240), (160, 2500806), (165, 2425024), (168, 2381720), (176, 2273460), (192, 2084005), (210, 1905376), (220, 1818768), (224, 1786290), (231, 1732160), (240, 1667204), (264, 1515640), (280, 1429032), (308, 1299120), (320, 1250403), (330, 1212512), (336, 1190860), (352, 1136730), (385, 1039296), (420, 952688), (440, 909384), (448, 893145), (462, 866080), (480, 833602), (528, 757820), (560, 714516), (616, 649560), (660, 606256), (672, 595430), (704, 568365), (770, 519648), (840, 476344), (880, 454692), (924, 433040), (960, 416801), (1056, 378910), (1120, 357258), (1155, 346432), (1232, 324780), (1320, 303128), (1344, 297715), (1540, 259824), (1680, 238172), (1760, 227346), (1848, 216520), (2112, 189455), (2240, 178629), (2310, 173216), (2464, 162390), (2640, 151564), (3080, 129912), (3360, 119086), (3520, 113673), (3696, 108260), (4620, 86608), (4928, 81195), (5280, 75782), (5413, 73920), (6160, 64956), (6720, 59543), (7392, 54130), (9240, 43304), (10560, 37891), (10826, 36960), (12320, 32478), (14784, 27065), (16239, 24640), (18480, 21652)]